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''Steneosaurus'' is an extinct genus of teleosaurid crocodyliform from the Early Jurassic to Middle Jurassic (Toarcian to Callovian). Fossil specimens have been found in England, France, Germany, Switzerland and Morocco. The largest species, ''S. heberti'', reached up to 5 m (16.5 ft) long, though 2.5–3.5 m was far more common. ==Species== Species in this genus are traditionally classed into two skull groups: longirostrine (long, narrow jaws) and brevirostrine (short, broad jaws). Longirostrine *''S. baroni'': Madagascar from the Bathonian. *''S. bollensis'': Western Europe (England, France and Germany) from the Toarcian. *''S. boutilieri'': Western Europe (England, France and Switzerland) from the Bathonian. *''S. gracilirostris'': Western Europe (England) from the Toarcian. *''S. heberti'': Western Europe (France) from the Callovian. *''S. larteti'': Western Europe (England and France) from the Bathonian. *''S. leedsi'': Western Europe (England and France) from the Callovian. *''S. megistorhynchus'': (type) Western Europe (France) from the Bathonian. *''S. pictaviensis'': Western Europe (France) from the Callovian. Brevirostrine *''S. brevior'': Western Europe (England) from the Toarcian. *''S. edwardsi'': Western Europe (England and France) from the Callovian. *''S. obtusidens'': Western Europe (England) from the Callovian. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Steneosaurus」の詳細全文を読む スポンサード リンク
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